How To Fix AG859 - TM scheduling: APO release &4 not connected; &1 &2 &3: no substitution

SAP Error Message - Details

• Message type: E = Error

• Message class: AG - Nachrichten ATP-Server

• Message number: 859

• Message text: TM scheduling: APO release &4 not connected; &1 &2 &3: no substitution

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message AG859 - TM scheduling: APO release &4 not connected; &1 &2 &3: no substitution ?

  The SAP error message AG859 typically occurs in the context of Transportation Management (TM) and Advanced Planning and Optimization (APO) when there is an issue with the connection between the two systems. This error indicates that the APO release is not connected, which can lead to problems in scheduling and planning.
  Cause:
  
  Disconnection between TM and APO: The error suggests that the Transportation Management (TM) system is unable to communicate with the Advanced Planning and Optimization (APO) system. This could be due to configuration issues, network problems, or system downtime.
  Missing or Incorrect Configuration: The connection settings between TM and APO may not be properly configured, leading to the inability to access the necessary data for scheduling.
  Data Issues: There may be missing or incorrect data in the APO system that is required for the TM scheduling process.
  Version Compatibility: There could be compatibility issues between the versions of TM and APO being used.
  
  Solution:
  
  Check Connection Settings: Verify the connection settings between TM and APO. Ensure that the RFC (Remote Function Call) connections are correctly configured and active.
  System Status: Check the status of both the TM and APO systems to ensure they are up and running without any issues.
  Configuration Review: Review the configuration settings in both systems to ensure they are set up correctly for integration. This includes checking the settings in transaction codes like /SAPAPO/TSM for APO and relevant settings in TM.
  Data Validation: Ensure that all necessary data is available in the APO system. This includes checking for any missing master data or transactional data that may be required for scheduling.
  Logs and Traces: Check the system logs and traces for any additional error messages or warnings that could provide more context about the issue.
  Consult Documentation: Refer to SAP documentation or notes related to TM and APO integration for any specific troubleshooting steps or known issues.
  Contact SAP Support: If the issue persists after checking the above points, consider reaching out to SAP support for further assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /SAPAPO/TSM for checking the settings in APO and transaction codes in TM for configuration.
  SAP Notes: Look for SAP Notes that may address this specific error or provide guidance on troubleshooting TM and APO integration issues.
  Integration Scenarios: Understand the integration scenarios between TM and APO, including the data flow and dependencies that may affect scheduling.
  
  By following these steps, you should be able to identify and resolve the cause of the AG859 error in your SAP system.